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发明名称
Condition-responsive device
摘要
申请公布号
US2225941(A)
申请公布日期
1940.12.24
申请号
US19360058122
申请日期
1936.01.08
申请人
HALL WILLIAM D
发明人
HALL WILLIAM D.
分类号
G01P5/10
主分类号
G01P5/10
代理机构
代理人
主权项
地址
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